Husqvarna TE 150, Owner'S Manual

Page: 138 / 162

21 TROUBLESHOOTING
136
Faults Possible cause Action
Engine does not speed up Loose carburetor jets
–
Check/set the carburetor compo-
nents.
Fault in ignition system
–
Check the ignition system.
Engine has too little power Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor compo-
nents.
Air filter very dirty
–
Clean the air filter and air filter box.
(
p. 68)
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in main
silencer
–
Check exhaust system for damage.
–
Change glass fiber yarn filling in the
main silencer.
( p. 70)
Fault in ignition system
–
Check the ignition system.
Diaphragm or reed valve hous-
ing damaged
–
Check the diaphragm and reed valve
housing.
Engine stalls or is popping into
the carburetor Lack of fuel
–
Turn handle
1
of the fuel
tap to the ON position.
(Figure H02505-10 p. 20)
–
Turn handle
1
of the fuel
tap to the RES position.
(Figure H02505-10 p. 20)
–
Refuel. ( p. 39)
Engine takes in bad air
–
Check the intake flange and carbure-
tor for tightness.
The connector or ignition coil
is loose or oxydized
–
Clean the connector and treat with
contact spray.
Engine overheats Too little coolant in cooling
system
–
Check the cooling system for leakage.
–
Check the coolant level. ( p. 113)
Too little air stream
–
Switch off engine when stationary.
Radiator fins very dirty
–
Clean the radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant. ( p. 113)
–
Refill with coolant. ( p. 114)
Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Bent radiator hose
–
Change the radiator hose.
White smoke emission (steam
in exhaust gas) Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Gear oil exits at the vent hose Too much gear oil added
–
Check the gear oil level. ( p. 128)
Water in the gear oil Damaged shaft seal ring or
water pump
–
Check the shaft seal ring and water
pump.